| Title: | Quarrying and crushing methods and costs at the Plainville, Conn., trap-rock quarry of the New Haven Trap Rock Co., New Britain, Conn. |
| Alternate title: | Quarrying and crushing methods and costs at the Plainville, (Conn.,) trap-rock quarry of the New Haven Trap Rock Co., New Britain, Conn. |
| Author: | Worthen, A. L. |
| Note: | U.S. Dept. of the Interior, Bureau of Mines, 1936 |
| Link: | page images at HathiTrust |
| No stable link: | This is an uncurated book entry from our extended bookshelves, readable online now but without a stable link here. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links. |
| Subject: | Quarries and quarrying -- Connecticut |
| Subject: | Quarries and quarrying -- Connecticut -- Cost of operation |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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